'commit'

TangDou/AcWing/BeiBao/1013_dfs.cpp

@@ -0,0 +1,42 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int N = 11;
+const int M = 16;
+int n;
+int m;
+int path[N], res[N];
+int w[N][M];
+int mx;
+
+// u:第几个公司　s:已经产生的价值 r:剩余的机器数量
+void dfs(int u, int s, int r) {
+    if (u == n + 1) {
+        if (s > mx) {
+            mx = s;
+            memcpy(res, path, sizeof path);
+        }
+        return;
+    }
+
+    for (int i = 0; i <= r; i++) {
+        path[u] = i;
+        dfs(u + 1, s + w[u][i], r - i); // 给u号公司分配i个机器
+        path[u] = 0;
+    }
+}
+
+int main() {
+    cin >> n >> m;
+
+    for (int i = 1; i <= n; i++)
+        for (int j = 1; j <= m; j++)
+            cin >> w[i][j];
+
+    dfs(1, 0, m);
+
+    printf("%d\n", mx);
+    // 输出最优答案时的路径
+    for (int i = 1; i <= n; i++) printf("%d %d\n", i, res[i]);
+    return 0;
+}